From fa39846b34e6edf72986ff2e7233dcabf7b6cf00 Mon Sep 17 00:00:00 2001
From: "art1@andreas-romeyke.de" <art1@andreas-romeyke.de>
Date: Fri, 1 Jun 2018 15:41:20 +0200
Subject: [PATCH] - added oxum_t - added oxum_of_file() - added
 oxum_of_filelist()

---
 src/include/checksum.hpp |  6 ++++++
 src/lib/checksum.cpp     | 27 +++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/src/include/checksum.hpp b/src/include/checksum.hpp
index 276c0de..2db9a36 100644
--- a/src/include/checksum.hpp
+++ b/src/include/checksum.hpp
@@ -7,6 +7,10 @@
 using namespace std;
 
 enum checksum_algorithms {md5=1, sha1};
+typedef struct {
+  long unsigned int octetcount;
+  long unsigned int streamcount;
+} oxum_t;
 
 class Checksum {
   public:
@@ -14,6 +18,8 @@ class Checksum {
     //list<string> get_supported_checksum_algorithms();
     //bool is_algorithm_supported( string alg );
     string checksum_of_file(string filepath, checksum_algorithms alg);
+    oxum_t oxum_of_file(string filepath);
+    oxum_t oxum_of_filelist( list<string> filepaths);
 };
 
 #endif
diff --git a/src/lib/checksum.cpp b/src/lib/checksum.cpp
index f1d3b94..9be0674 100644
--- a/src/lib/checksum.cpp
+++ b/src/lib/checksum.cpp
@@ -42,4 +42,31 @@ string Checksum::checksum_of_file(string filepath, checksum_algorithms alg) {
   return hex_result.str();
 }
 
+oxum_t Checksum::oxum_of_file(string filepath) {
+  ifstream file (filepath, ios::ate);
+  oxum_t oxum;
+  if (file.is_open() ) {
+    ifstream::pos_type fileSize;
+    fileSize = file.tellg();
+    oxum.octetcount = fileSize;
+    oxum.streamcount = 1;
+    file.close();
+  } else {
+    cout << "file '"<< filepath << "' could not be opened" << endl;
+  }
+ return oxum;
+}
+
+oxum_t Checksum::oxum_of_filelist( list<string> files) {
+oxum_t oxum;
+oxum.octetcount=0;
+oxum.streamcount=0;
+list<string>::iterator i;
+  for (i=files.begin(); i!= files.end(); i++) {
+    oxum_t tmp = this->oxum_of_file( *i );
+    oxum.octetcount+= tmp.octetcount;
+    oxum.streamcount+= tmp.streamcount;
+  }
+  return oxum;
+}
 // vim: set tabstop=4 softtabstop=0 expandtab shiftwidth=4 smarttab